subrayar

subrayar
soo-brah-yahr'
to underline; to emphasize, to stress
Examples
1. Mi amiga a cada rato está subrayando los pasajes que le gustan más en los libros que lee.
My friend is always underlining the passages that she likes the most in the books she reads.
 
2. Tengo que subrayar lo importante que es haber completado el proyecto para la fecha límite.
I have to stress how important it is to have finished the project by the deadline.